Home / 3,903.96-5,385.66-2,247

Finding the Fourth Proportional to 3,903.96, 5,385.66 and 2,247

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Solution

The fourth proportional to 3,903.96, 5,385.66 and 2,247 is: 3,099.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.96 : 5,385.66 = 2,247 : x
  2. Step 2: Convert to fraction form
    3,903.96/5,385.66 = 2,247/x
  3. Step 3: Cross multiply
    3,903.96x = 5,385.66 × 2,247
  4. Step 4: Simplify right side
    3,903.96x = 12,101,578.02
  5. Step 5: Solve for x
    x = 12,101,578.02/3,903.96
  6. Step 6: Final answer
    x = 3,099.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.